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Cites:

1

Information Journal Paper

Title

EXCESS SLUDGE MINIMIZATION IN CONVENTIONAL ACTIVATED SLUDGE PILOT PLANT BY THREE CHEMICAL MATTERS

Pages

  981-988

Keywords

3 
3 
4 
5–TETRACHLOROSALICYLANILIDE (TCS) 

Abstract

 The excess sludge treatment and sludge disposal are major factors to the over-all economy of wastewater treatment plants (WWTP). The ideal solution to the problem of sludge disposal is to combine sludge minimization with contamination removal at the source. In this study, the effect of ozonation, chlorination and 3, 3, 4, 5–tetrachlorosalicylanilide (TCS) to treat part of the return activated sludge flow with the intention of reducing the overall plant yield in a conventional activated sludge pilot, were investigated in a side-stream pilot reactor. It was found that in the case of ozonation 8% g O3/g MLSS, and in the case of chlorination 2% g Cl2/g MLSS produce the best results. In the utilization of TCS method, the excess sludge production was reduced by 80% per day at a TCS dose of 1% g TCS/g MLSS. In all the above experiments a reduction in the volume of the excess sludge was achieved, while the efficiency of removal chemical oxygen demand (COD) from the reactor without the use of those methods was not significantly different.

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    APA: Copy

    HASSANI, A.H., NEJAEI, A., & TORABIAN, A.. (2011). EXCESS SLUDGE MINIMIZATION IN CONVENTIONAL ACTIVATED SLUDGE PILOT PLANT BY THREE CHEMICAL MATTERS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER), 5(4), 981-988. SID. https://sid.ir/paper/301221/en

    Vancouver: Copy

    HASSANI A.H., NEJAEI A., TORABIAN A.. EXCESS SLUDGE MINIMIZATION IN CONVENTIONAL ACTIVATED SLUDGE PILOT PLANT BY THREE CHEMICAL MATTERS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER)[Internet]. 2011;5(4):981-988. Available from: https://sid.ir/paper/301221/en

    IEEE: Copy

    A.H. HASSANI, A. NEJAEI, and A. TORABIAN, “EXCESS SLUDGE MINIMIZATION IN CONVENTIONAL ACTIVATED SLUDGE PILOT PLANT BY THREE CHEMICAL MATTERS,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER), vol. 5, no. 4, pp. 981–988, 2011, [Online]. Available: https://sid.ir/paper/301221/en

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